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1. |
If metallic atoms of mass 197 and radius 166 pm are arranged in ABCABC fashion then what is the surface area of each unit cell? |
A. | 1.32 10<sup>6</sup> pm<sup>2</sup> |
B. | 1.32 10<sup>-18</sup>pm<sup>2</sup> |
C. | 2.20 10<sup>5</sup> pm<sup>2</sup> |
D. | 2.20 10<sup>-19</sup> pm<sup>2</sup> |
Answer» B. 1.32 10<sup>-18</sup>pm<sup>2</sup> | |